When I first started playing wowp's, I used my rear gunner by pressing my "Q" key, then I could look behind me. I was able to move my tail in direction of the enemy to aim. But now, I can't control my plane when I'm in rearview. Any help?

When I first started playing wowp's, I used my rear gunner by pressing my "Q" key, then I could look behind me. I was able to move my tail in direction of the enemy to aim. But now, I can't control my plane when I'm in rearview. Any help?